Questions

The Yarlung Zangbo river in India is known as Brahmaputra. The river Brahmaputra in China is called Yarlung Tsangpo or Yarlung Zangbo river. In Assam and Arunachal Pradesh it is called Lohit or luit meaning blood.

The Brahmaputra is one of the major rivers of Asia, a trans-boundary river which flows through China, India and Bangladesh.

DNA is the genetic material in the cell. 

Hence, option B) DNA is located in the nucleus best matches the description with the genetic material.

Dog

Object Repository means not a collection of objects

it's a common repository for all the people (testing, developers) for seeing all the data in single login.

for example QA wants to see 5 testers works then he goes  to each person login and see the data. It's very difficult job. for this we can use Object Repository.

RAM: Read / Write memory, High Speed, Volatile Memory.

ROM: Read only memory, low speed, non volite memory.

A - A - A = 20
B - B - B = 15
C - C - C = 25

A = -20
B = -15
C = -25

=> A + B + C = (-20)+(-15)+(-25) = -20 - 15 - 25 = -60.